Researchers Offer Insights Into Solid-Electrolyte Interphases in Next-Gen Aqueous Potassium-Ion Batteries

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Scientists from Japan use advanced analytical techniques to gain insights into the electrochemical phenomena in these batteries.

, Dr. Zachary T. Gossage, and Ms. Nanako Ito, all from TUS.

The experiments revealed that SEI forms a passivating layer in WISE akin to that seen in LIBs, with slow apparent electron transfer rates, helping suppress hydrogen evolution. This can ensure stable performance and higher durability of KIBs. However, the researchers observed that the coverage of the SEI layer was incomplete at higher operating voltages, leading to hydrogen evolution.

 

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